CN210590603U - Soft material 3D printer extrusion structure - Google Patents
Soft material 3D printer extrusion structure Download PDFInfo
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- CN210590603U CN210590603U CN201921470323.1U CN201921470323U CN210590603U CN 210590603 U CN210590603 U CN 210590603U CN 201921470323 U CN201921470323 U CN 201921470323U CN 210590603 U CN210590603 U CN 210590603U
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- extrusion structure
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Abstract
The utility model provides an extrusion structure of a soft material 3D printer, which comprises a motor, a shaft coupling, a bearing, a connecting shaft, a first screw rod, a second screw rod, a storage bin and a spray head; through the arrangement and the matching of the funnel-shaped bin and the first screw rod, the propelling force is provided, the first-in first-out of the soft material is ensured, and the material stagnation is prevented; through the cooperation of second hob and feed bin, control soft materials's ejection of compact speed and prevent to stop the material.
Description
Technical Field
The utility model relates to a 3D printer equipment especially relates to an extrusion structure of soft materials 3D printer.
Background
The 3D printer uses a digital model file as a basis to make a three-dimensional object by printing layers of binding material using a bondable material such as concrete, powdered metal, geopolymer, volcanic ash, or clay. At present, materials such as concrete, geopolymer, volcanic ash and the like are easy to generate material stagnation and gradually harden in the feeding process, and the printing effect is influenced and even hardened and blocked; and the whole discharging process cannot be controlled, the extrusion speed cannot be changed, and even the material is stopped.
SUMMERY OF THE UTILITY MODEL
The utility model provides a soft materials 3D printer extrusion structure can effectively solve above-mentioned problem.
The utility model discloses a realize like this:
the utility model provides a soft materials 3D printer extrusion structure, includes:
the motor is used for driving the extrusion structure to work;
the coupling is connected below the motor and is connected with one end of the connecting shaft through a bearing;
the first screw rod is connected below the connecting shaft;
the second screw rod is connected below the first screw rod;
the storage bin is provided with a first cavity body and is used for accommodating the first spiral rod and the second spiral rod;
the spray head is arranged below the storage bin and is used for extruding the soft material out of the spray head;
the first screw rod further comprises a first push corner and a first back corner;
the second screw rod further comprises a second lead angle and a second back angle;
the storage bin further comprises a funnel type storage bin, and the soft materials are extruded out from the spray head through the cooperation of the motor, the pushing angle and the back surface angle, so that the soft materials are ensured to be firstly in and firstly out, the discharging speed is controlled, and the material stopping is prevented.
As a further modification, the angle b1 of the first advance angle is set in the range of 15 ° to 75 °.
As a further improvement, the angle a1 of the first back surface angle is set in the range of 15 ° to 75 °.
As a further improvement, the first screw rod further comprises a second hollow cavity body for accommodating and connecting the connecting shaft, so that the connecting shaft drives the first screw rod to rotate.
As a further modification, the angle b2 of the second advance angle is set in the range of 15 ° to 75 °.
As a further improvement, the angle a2 of the second back surface angle is set in the range of 15 ° to 75 °.
As a further improvement, the tail end of the spray head is conical, and the spray head is provided with a third hollow cavity, so that the soft material is extruded out of the tail end of the spray head through the thrust action of the second spiral rod.
As a further improvement, a sealing ring is further arranged between the connecting shaft and the bearing and used for preventing soft materials from entering the second cavity to influence the rotation of the connecting shaft.
The utility model has the advantages that: the funnel-shaped storage bin is matched with the propulsion angle and the back surface angle of the first screw rod, so that the device provides larger propulsion force, ensures that soft materials are firstly in and firstly out, and prevents material stagnation; the laminating of second hob and feed bin bottom inner wall for 3D printer can control soft materials's ejection of compact speed and prevent to stop the material.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is the embodiment of the utility model provides a soft materials 3D printer extrusion structure's schematic structure diagram.
Fig. 2 is a schematic structural diagram of a first screw rod of an extrusion structure of a soft material 3D printer provided by an embodiment of the present invention.
Fig. 3 is a schematic structural view of a second screw rod of an extrusion structure of a soft material 3D printer provided by an embodiment of the present invention.
In the figure: 1. motor 2, shaft coupling 3, bearing
4. Connecting shaft 5, first screw rod 51, first propulsion angle
52. First back corner 53, second hollow body 6, second screw rod
61. Second propulsion angle 62, second back angle 7, storage bin
71. First hollow cavity 8, spray head 81, third hollow cavity
9. Sealing ring
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, a soft material 3D printer extrusion structure includes:
the motor 1 is used for driving the extrusion structure to work;
the coupler 2 is connected below the motor 1 and is connected with one end of a connecting shaft 4 through a bearing 3;
the first screw rod 5 is connected below the connecting shaft 4;
a second screw rod 6 connected to a lower part of the first screw rod 5;
the storage bin 7 is provided with a first hollow cavity 71 and is used for accommodating the first screw rod 5 and the second screw rod 6;
the spray head 8 is arranged below the stock bin 7 and is used for extruding the soft materials out of the spray head 8;
said first screw rod 5 further comprises a first pushing corner 51 and a first back corner 52;
the second screw shaft 6 further comprises a second pushing corner 61 and a second back corner 62;
the storage bin 7 further comprises a funnel-shaped storage bin, and soft materials are extruded out of the spray head 8 through the cooperation of the motor 1, the pushing angle 51/61 and the back angle 52/62, so that the soft materials are ensured to be firstly fed in and firstly discharged out, the discharging speed is controlled, and the material stopping is prevented.
In the embodiment, when the motor 1 works, the coupling 2 is driven, and the connecting shaft 4 is rotated through the bearing 3; the first screw rod 5 comprises a second hollow cavity 53 which is used for accommodating and connecting the connecting shaft 4, so that the connecting shaft 4 drives the first screw rod 5 to rotate; the first screw rod 5 comprises a first propulsion angle 51, and the angle b1 of the first propulsion angle 51 is set to be in the range of 15-75 degrees; preferably, the angle b1 of the first propulsion angle 51 is set in the range of 18 ° to 68 °; in the present embodiment, the angle b1 of the first propulsion angle 51 is 30 °. The first screw rod 5 further comprises a first back corner 52, and the angle a1 of the first back corner 52 is set to be in the range of 15-75 degrees; preferably, the angle a1 of the first back corner 52 is set in the range of 20 ° to 65 °; in this embodiment, the angle a1 of the first back corner 52 is 45 °; the first advance angle 51 and the first back angle 52 cooperate to provide greater advance and ensure that the soft material of the first-in bin can be discharged out of the bin and prevented from sticking together.
Further, the second screw rod 6 is connected with the first screw rod 5, and the second screw rod 6 is driven to rotate simultaneously by the rotation of the first screw rod 5; the second screw rod 6 comprises a second propulsion angle 61, and the angle b2 of the second propulsion angle 61 is set to be in the range of 15-75 degrees; preferably, the angle b2 of the second propulsion angle 61 is set in the range of 18 ° to 66 °; in the present embodiment, the angle b2 of the second propulsion angle 61 is 30 degrees. The second screw rod 6 further comprises a second back corner 62, and the angle a2 of the second back corner 62 is set to be in the range of 15-75 degrees; preferably, the angle a2 of the second back face corner 62 is set in the range of 20 ° to 63 °; in this embodiment, the angle a2 of the second back face corner 62 is 45 °; the second pushing angle 61 and the second back surface angle 62 are matched with each other to further push the soft material; and the tail end of second hob 6 with feed bin bottom inner wall laminates mutually, makes soft material enter into the shower nozzle 8 the third cavity body 81, through the thrust effect of second hob 6 makes soft material follow the tail end of shower nozzle 8 is extruded for 3D printer can control soft material's ejection of compact speed and prevent to stop the material. The storage bin 7 is in a funnel shape, and the first screw rod 5 and the second screw rod 6 rotate to ensure that soft materials are firstly in and firstly out, prevent material stagnation and hardening and control the discharging speed.
Further, a sealing ring 9 is further included between the connecting shaft 4 and the bearing 3, so that after soft materials enter the storage bin 7, the soft materials are brought into the second cavity 53 through the rotation of the first screw rod 5, and the rotation of the connecting shaft 4 is prevented from being affected, and even the rotation stop, the coupling 2 and the bearing 3 are damaged, or the motor 1 is burnt out, etc. may be caused.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a soft materials 3D printer extrusion structure which characterized in that includes:
the motor (1) is used for driving the extrusion structure to work;
the coupler (2) is connected below the motor (1) and is connected with one end of the connecting shaft (4) through a bearing (3);
the first screw rod (5) is connected to the lower part of the connecting shaft (4);
a second screw rod (6) connected below the first screw rod (5);
a storage bin (7) provided with a first hollow cavity (71) for accommodating the first screw rod (5)
With the second screw rod (6);
the spray head (8) is arranged below the storage bin (7) and is used for extruding the soft material out of the spray head (8);
the first screw rod (5) further comprises a first pushing corner (51) and a first back corner (52);
the second screw rod (6) further comprises a second pushing corner (61) and a second back corner (62);
the storage bin (7) further comprises a funnel-shaped storage bin, and soft materials are extruded out of the spray head (8) through the cooperation of the motor (1) working with the pushing angle (51/61) and the back angle (52/62), so that the soft materials are ensured to be firstly fed in and firstly discharged, the discharging speed is controlled, and the material stopping is prevented.
2. The soft material 3D printer extrusion structure according to claim 1, wherein the angle b1 of the first advance angle (51) is set in the range of 15 ° to 75 °.
3. The soft material 3D printer extrusion structure according to claim 2, wherein the angle a1 of the first back face angle (52) is set in the range of 15 ° to 75 °.
4. The soft material 3D printer extrusion structure according to claim 3, wherein the first screw rod (5) further comprises a second hollow cavity (53) for accommodating and connecting the connecting shaft (4), so that the connecting shaft (4) drives the first screw rod (5) to rotate.
5. The soft material 3D printer extrusion structure according to claim 1, wherein the angle b2 of the second advance angle (61) is set in the range of 15 ° to 75 °.
6. The soft material 3D printer extrusion structure according to claim 5, wherein the angle a2 of the second back face angle (62) is set in the range of 15 ° to 75 °.
7. The soft material 3D printer extrusion structure according to claim 1, wherein the tail end of the nozzle (8) is tapered, and the nozzle has a third cavity (81), and the soft material is extruded from the tail end of the nozzle (8) by the thrust action of the second screw rod (6).
8. The soft material 3D printer extrusion structure according to claim 4, wherein a sealing ring (9) is further included between the connection shaft (4) and the bearing (3) for preventing soft material from entering the second hollow cavity (53) to affect the rotation of the connection shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921470323.1U CN210590603U (en) | 2019-09-05 | 2019-09-05 | Soft material 3D printer extrusion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921470323.1U CN210590603U (en) | 2019-09-05 | 2019-09-05 | Soft material 3D printer extrusion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210590603U true CN210590603U (en) | 2020-05-22 |
Family
ID=70716385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921470323.1U Active CN210590603U (en) | 2019-09-05 | 2019-09-05 | Soft material 3D printer extrusion structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210590603U (en) |
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2019
- 2019-09-05 CN CN201921470323.1U patent/CN210590603U/en active Active
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